21313123213041 has 24 divisors (see below), whose sum is σ = 33605693278560. Its totient is φ = 12908822097600.

The previous prime is 21313123213037. The next prime is 21313123213139. The reversal of 21313123213041 is 14031232131312.

21313123213041 is a `hidden beast` number, since 2 + 1 + 3 + 1 + 31 + 2 + 321 + 304 + 1 = 666.

It is not a de Polignac number, because 21313123213041 - 2² = 21313123213037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21313123212996 and 21313123213014.

It is not an unprimeable number, because it can be changed into a prime (21313123213141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68362636 + ... + 68673693.

It is an arithmetic number, because the mean of its divisors is an integer number (1400237219940).

Almost surely, 2^{21313123213041} is an apocalyptic number.

It is an amenable number.

21313123213041 is a deficient number, since it is larger than the sum of its proper divisors (12292570065519).

21313123213041 is a wasteful number, since it uses less digits than its factorization.

21313123213041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137037917 (or 137037914 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 21313123213041 its reverse (14031232131312), we get a palindrome (35344355344353).

The spelling of 21313123213041 in words is "twenty-one trillion, three hundred thirteen billion, one hundred twenty-three million, two hundred thirteen thousand, forty-one".